Use the Python code in cspProblem .py, which defines a CSP with variables, domains and con- straints. Add fees to CSPs by extending this course to contain a Price tag and a heuristic purpose h to work out the cost. Also use the code in cspConsistency .py. This code implements https://bookmarklayer.com/story12770995/top-latest-five-assignment%E4%BB%A3%E5%86%99-urban-news